condition	mean	min	max
4 h after light	2.3	2.3	2.3
8 h after light	23.299999999999997	23.2	23.4
12 h after light	2.9	2.3	3.5
4 h after dark	2.7	2.0	3.4
8 h after dark	2.9000000000000004	2.2	3.6
12 h after dark	2.05	1.8	2.3